Duppa, B., Isham, J., & Isham, G. (1955). The correspondence of Bishop Brian Duppa and Sir Justinian Isham, 1650-1660. Northamptonshire Record Society.
Čikaški stil citiranja (17. izdanje)Duppa, Brian, Justinian Isham, i Gyles Isham. The Correspondence of Bishop Brian Duppa and Sir Justinian Isham, 1650-1660. Lamport Hall, Northamptonshire: Northamptonshire Record Society, 1955.
MLA način citiranja (8. izdanje)Duppa, Brian, et al. The Correspondence of Bishop Brian Duppa and Sir Justinian Isham, 1650-1660. Northamptonshire Record Society, 1955.
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